P0676
Cylinder 6 Glow Plug Circuit/Open
P0676 is an OBD-II diagnostic trouble code meaning: Cylinder 6 Glow Plug Circuit/Open. Common causes: burnt out glow plug cylinder 6, broken spark plug power wire. Estimated repair cost: $17–56.
Symptoms
- Difficulty starting a diesel engine in cold weather
- Check Engine Light
- White smoke from exhaust pipe when starting
- Unstable engine operation after a cold start
- Glow plug indicator on the dashboard
Causes
- Burnt out glow plug cylinder 6
- Broken spark plug power wire
- Oxidation or poor contact in the connector
- GPCM module malfunction
- Wiring damage
How to Fix
- Read OBD-II error codes
- Measure the resistance of the glow plug of cylinder 6 (standard: 0.5–2 Ohm)
- Inspect the wiring and connector
- Check spark plug voltage
- Replace a faulty glow plug
- If the error occurs again - GPCM diagnostics
Related codes
Error P0676 by Vehicle Brand
FAQ
What does the P0676 code mean?
P0676 is an OBD-II diagnostic trouble code that indicates: Cylinder 6 Glow Plug Circuit/Open
What causes a P0676 error code?
The most common causes of P0676 include: Burnt out glow plug cylinder 6; Broken spark plug power wire; Oxidation or poor contact in the connector; GPCM module malfunction.
How do I fix a P0676 diagnostic trouble code?
To fix P0676: Read OBD-II error codes. Measure the resistance of the glow plug of cylinder 6 (standard: 0.5–2 Ohm). Inspect the wiring and connector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0676?
Yes, but get it checked soon
How much does it cost to fix P0676?
The estimated repair cost for P0676 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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